| 
check-age
 | Specifies whether to check if the compressed version is older than the
noncompressed version. Possible values are yes and no. 
If set to yes, the compressed version will
not be selected if it is older than the noncompressed version.
If set to no, the compressed version will
always be selected, even if it is older than the noncompressed version. By default, the value is set to yes. |